This paper introduces the realization of focimeter system based on CCD and ARM,and discusses the interrelated parameter arithmetic of lens based on CCD at the same time.

• 介绍了基于CCD和ARM的焦度计系统的实现,同时着重讨论了了基于CCD的透镜的相关参数算法,最后介绍了基于该算法的系统的实现。